@media (min-width:769px) {
    .container {
        max-width: 1000px;
    }
}

@media (min-width:769px) {
    .navbar {
        min-width: 990px;
    }
    .container {
        max-width: 1000px;
    }
}
.navbar {
    width: 100%;
    z-index: 100;
    position: fixed;
    padding-top: 0px;
    padding-bottom: 0px;
    .navbar-brand {
        padding: 7px 18px;
        margin-right: 0;
    }
    .navbar-collapse {
        .nav-item {
            padding-top: 7px;
            padding-bottom: 7px;
            a {
                font-size: 14px;
            }
        }
        .active {
            background: #080808;
            color: #fff;
        }
        .dropdown {
            .btn-secondary {
                background-color: transparent;
                border: 0;
            }
            .btn-secondary:focus {
                box-shadow: none;
            }
        }
    }
}

.footer {
    padding-top: 35px;
    padding-bottom: 35px;
    background: #3b3b3b;
    .container {
        display: flex;
        justify-content: space-between;
        .left {
            a {
                font-size: 14px;
                color: #a1a3ab;
                text-decoration: none;
            }
            p {
                font-size: 14px;
                color: #a1a3ab;
            }
        }
        .right {
            .QQ{
                position: relative;
                img{
                    margin-right: 20px;
                }
                img:hover{
                    cursor: pointer;
                }
                img:nth-child(3){
                    display: none;
                    position: absolute;
                    right: 9px;
                    bottom: 45px;
                }
                img:nth-child(2):hover~img:nth-child(3){
                    display: block;
                }
            }
        }
    }
}
@media (max-width:768px){
    .footer{
        .right{
            display: none;
        }
    }
}